L78S18CV STMicroelectronics, L78S18CV Datasheet - Page 7

• Manufacturer Part Number: L78S18CV
• Description: IC REG POS VOLT 2A 18V TO-220
• Manufacturer: STMicroelectronics
• Type: Voltage Regulatorr

Specifications of L78S18CV

• Regulator Topology: Positive Fixed
• Voltage - Output: 18V
• Voltage - Input: Up to 35V
• Number Of Regulators: 1
• Current - Output: 2A
• Operating Temperature: 0°C ~ 150°C
• Mounting Type: Through Hole
• Package / Case: TO-220-3 (Straight Leads)
• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Fixed
• Output Voltage: 18 V
• Output Current: 0.5 A
• Line Regulation: 360 mV
• Load Regulation: 360 mV
• Dropout Voltage (max): 21 V
• Input Voltage Max: 35 V
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Current, Output: 2 A
• Current, Supply: 8 mA
• Package Type: TO-220
• Regulation, Line: 360 mV
• Regulation, Load: 360 mV
• Regulator Type: Positive Voltage Out
• Resistance, Thermal, Junction To Case: 5 °C/W
• Temperature, Operating, Range: 0 to +150 °C
• Voltage, Input: 21 V
• Voltage, Noise: 110 μV
• Voltage, Output: 18 V
• Voltage, Supply, Rejection Ratio: 43 dB
• Primary Input Voltage: 26V
• Output Voltage Fixed: 18V
• Dropout Voltage Vdo: 3V
• No. Of Pins: 3
• Voltage Regulator Case Style: TO-220
• Operating Temperature Range: 0°C To +150°C
• Svhc: No
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Dropout (typical): -
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-6009-5

L78Sxx, L78SxxC
3
Table 2.
Note:
Table 3.
Figure 4.
Symbol
Symbol
T
T
R
R
P
STG
V
I
OP
O
D
thJC
thJA
I
DC input voltage
Output current
Power dissipation
Storage temperature range
Operating junction temperature range
Maximum ratings
Absolute maximum ratings
Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied.
Thermal data
Application circuits
Thermal resistance junction-case
Thermal resistance junction-ambient
Parameter
Parameter
Doc ID 2148 Rev 4
for V
for V
for L78Sxx
for L78SxxC
O
O
= 5 to 18V
= 24V
TO-220
50
5
Internally limited
Internally limited
-65 to 150
-55 to 150
0 to 150
Value
35
40
TO-3
35
4
Maximum ratings
°C/W
°C/W
Unit
Unit
°C
°C
V
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